The S77 is a new version of the S70, 1.5 MW turbine and has longer rotor blades (77 metres) for low wind sites. The S70 is built under licence for German engineering company, Pro and Pro, now part of Repower Systems, which was founded in Husum in May through the merger of wind turbine manufacturers Jacobs Energie, BWU and Pro and Pro.
The Hohen Pritz contract follows installation of an S77 on an upland site at Gitschbühl near Schonach in the inland state of Baden-Württemberg. The turbine is sited 1025 metres above sea level in the midst of a wood and came on-line last month. It is expected to generate an annual 2.6 million kWh, or enough electricity for nearly 1000 four person households.